help lol
Calculate the time a component has been running for when the power rating is 28W, and the electrical energy transferred is 180J.
Give your answer to 3 significant figures.
Give your answer to 3 significant figures.
power is work done/time. work done/power = 180/28 = 6.43 seconds 
Original post by grdfggredsf
Calculate the time a component has been running for when the power rating is 28W, and the electrical energy transferred is 180J.
Give your answer to 3 significant figures.
Give your answer to 3 significant figures.
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